Boiler final - Study guides, Class notes & Summaries

If the safety relief valve of a hot water heating boiler is set to open at 207 kPa, the operating pressure should not exceed Select one: a. 52 kPa. b. 155 kPa. c. 138 kPa. d. 207 kPa. - c A typical natural gas flame should be Select one: a. blue, with orange at the tip of the flame b. asymmetrical, and as close as possible to the heat transfer surfaces. c. bright yellow, with black tips. d. bright yellow, with orange tips. - a The main burner test firing valve should be opened Sele...

Asbestos Contractor/Supervisor Examination | Actual questions and answers | updated Fibers - Asbestos is a generic name for a group of minerals that form __________ Hood, booties, coveralls - The following are parts of a protective clothing ensemble Removal of 5 feet of pipe insulation in order to fix a leak in the pipe - Which of the following operations would be considered to be an OSHA Class II job? Holes cut in the polyethylene next to the machines - Make-up air for a negative ...

HVAC Final Exam Electrical For Air Conditioning Questions and Answers 100% Solved When using a low voltage T-stat for heating and cooling, when would there be a jumper between Rh and Rc? Select one: a. When using a single transformer system b. When heating with an oil boiler c. When heating with a gas boiler d. When using a two transformer system ️️A) When Using a single transformer system Digital thermostats usually display temperature, time of day, programming and operating

High pressure boiler NYC Final Certification Exam 2024 ASME requires low pressure Steam boiler to be pressure tested how often - CORRECT ANSWER-Annually Which of these should be used on a electrical fire - CORRECT ANSWER-Class C On a low pressure boiler how often should you check the safety valve - CORRECT ANSWER-10 days What is the purpose of the lower part of the water column - CORRECT ANSWERCollects settlements in foreign material If certain grade of fuel are not preheated properl...

Why is it important to know the specific gravity of propane vapor? Why is it important to know the specific gravity of propane liquid? Which three different types of tanks are used to be deliver propane to a bulk plant? Which product of incomplete combustion has a pungent odor? _________________ - ️️Aldehydes Which organization is devoted to code development for fire prevention and safety? Which organization is a federal enforcement agency for health and safety? Which NFPA standard app...

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HVAC Final Exam Electrical For Air Conditioning Exam Questions And Answers When using a low voltage T-stat for heating and cooling, when would there be a jumper between Rh and Rc? Select one: a. When using a single transformer system b. When heating with an oil boiler c. When heating with a gas boiler d. When using a two transformer system - ANS A) When Using a single transformer system Digital thermostats usually display temperature, time of day, programming and operating status...

What must be located outside a Class T machinery room? Select one: a. Spare flashlights b. Disposable coveralls c. Machinery shut off switch d. Light switches c Degradation of heat transfer fluid of a hot oil system will begin to occur if: Select one: a. The oil filter is not serviced regularly b. The oil temperature is above a specified range, for an extended period of time c. The oil is allowed to churn in the circulating pump d. The oil becomes too viscous bDry and flooded evaporat...

Where should you place the needle or syringe after collecting it? - Answer- In an empty bottle or container. If none are available empty the first aid kit into a bag and put the needle into the empty box What is the CC chain of command based on? - Answer- Based on rank and who has been there for the longest. What is the primary role of CC? - Answer- Safety of passengers, crew & aircraft How many hours before commencing duty should CC stop consuming alcohol according to Ryanair requireme...

water level on all boilers - When taking over a shift, the boiler operator must first check the _______. securing the feed water and allowing the water level in the boiler to drop - The low-water fuel cutoff can be tested by blowing down the low-water fuel cutoff or by _____. warmed up slowly - In order to prevent uneven expansion of the boiler on cold startup, the boiler must be _____. 15 psi - During startup, the boiler vent should remain open until a pressure of approximately _______ is...